/* HARMONIC - Resources Page Styles (Light Theme)
   =============================================== */

/* Page Header */
.resources-header {
  padding: calc(70px + var(--space-2xl)) 0 var(--space-2xl);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.resources-header h1 {
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.resources-header p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Resource Tabs */
.resource-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.resource-tab {
  padding: var(--space-sm) var(--space-xl);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.resource-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.resource-tab.active {
  background: var(--color-accent);
  color: white;
  border-color: transparent;
}

/* References Section */
.references-section {
  padding: var(--space-3xl) 0;
}

.references-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.references-count {
  color: var(--color-text-tertiary);
  font-size: 0.9rem;
}

.references-list {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-height: 600px;
  overflow-y: auto;
}

.reference-item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  display: flex;
  gap: var(--space-md);
}

.reference-item:last-child {
  border-bottom: none;
}

.reference-number {
  color: var(--color-accent);
  font-weight: 600;
  flex-shrink: 0;
  width: 30px;
}

.reference-text em {
  color: var(--color-text-tertiary);
}

/* Glossary Section */
.glossary-section {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-secondary);
}

.glossary-controls {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.glossary-search {
  flex: 1;
  min-width: 250px;
  max-width: 400px;
}

.glossary-search input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.glossary-search input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.glossary-search input::placeholder {
  color: var(--color-text-muted);
}

.alphabet-nav {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.alphabet-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.alphabet-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.alphabet-btn.active {
  background: var(--color-accent);
  color: white;
  border-color: transparent;
}

.glossary-list {
  display: grid;
  gap: var(--space-md);
}

.glossary-section-header {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  padding: var(--space-md) 0;
  border-bottom: 2px solid var(--color-border);
  margin-top: var(--space-xl);
}

.glossary-section-header:first-child {
  margin-top: 0;
}

.glossary-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-fast);
}

.glossary-item:hover {
  border-color: var(--color-border-hover);
}

.glossary-item-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.glossary-badge {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(52, 152, 219, 0.1);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.glossary-term-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.glossary-definition {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: var(--space-sm);
}

/* Citation Section */
.citation-section {
  padding: var(--space-3xl) 0;
}

.citation-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  max-width: 800px;
  margin: 0 auto;
}

.citation-tabs {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.citation-tab {
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.citation-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.citation-tab.active {
  background: var(--color-accent);
  color: white;
  border-color: transparent;
}

.citation-content {
  position: relative;
}

.citation-text {
  display: none;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
}

.citation-text.active {
  display: block;
}

.citation-copy-btn {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
}

/* Acknowledgments */
.acknowledgments {
  padding: var(--space-2xl) 0;
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .resources-header h1 {
    font-size: 2rem;
  }

  .glossary-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .glossary-search {
    max-width: none;
  }

  .alphabet-nav {
    justify-content: center;
  }

  .references-header {
    flex-direction: column;
    align-items: flex-start;
  }
}